Question

The period before common Era or christian Era is know as the _________
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Answer 1

Answer:

The period before common Era or christian Era is know as the The Before Christ ( BC ) .

Answer 2

Explanation:

Aerosols that mainly scatter solar radiation have a cooling effect, by enhancing the total reflected solar radiation from the Earth. ... A dark surface (low albedo) will already absorb a large portion of the solar radiation, and absorbing aerosols will thus have a small effect.